1 /*************************************************************************/
2 /* http_client.cpp */
3 /*************************************************************************/
4 /* This file is part of: */
5 /* GODOT ENGINE */
6 /* https://godotengine.org */
7 /*************************************************************************/
8 /* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
9 /* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */
10 /* */
11 /* Permission is hereby granted, free of charge, to any person obtaining */
12 /* a copy of this software and associated documentation files (the */
13 /* "Software"), to deal in the Software without restriction, including */
14 /* without limitation the rights to use, copy, modify, merge, publish, */
15 /* distribute, sublicense, and/or sell copies of the Software, and to */
16 /* permit persons to whom the Software is furnished to do so, subject to */
17 /* the following conditions: */
18 /* */
19 /* The above copyright notice and this permission notice shall be */
20 /* included in all copies or substantial portions of the Software. */
21 /* */
22 /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
23 /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
24 /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
25 /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
26 /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
27 /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
28 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
29 /*************************************************************************/
30 #include "http_client.h"
31 #include "io/stream_peer_ssl.h"
32
connect(const String & p_host,int p_port,bool p_ssl,bool p_verify_host)33 Error HTTPClient::connect(const String &p_host, int p_port, bool p_ssl, bool p_verify_host) {
34
35 close();
36 conn_port = p_port;
37 conn_host = p_host;
38
39 if (conn_host.begins_with("http://")) {
40
41 conn_host = conn_host.replace_first("http://", "");
42 } else if (conn_host.begins_with("https://")) {
43 //use https
44 conn_host = conn_host.replace_first("https://", "");
45 }
46
47 ssl = p_ssl;
48 ssl_verify_host = p_verify_host;
49 connection = tcp_connection;
50
51 if (conn_host.is_valid_ip_address()) {
52 //is ip
53 Error err = tcp_connection->connect(IP_Address(conn_host), p_port);
54 if (err) {
55 status = STATUS_CANT_CONNECT;
56 return err;
57 }
58
59 status = STATUS_CONNECTING;
60 } else {
61 //is hostname
62 resolving = IP::get_singleton()->resolve_hostname_queue_item(conn_host);
63 status = STATUS_RESOLVING;
64 }
65
66 return OK;
67 }
68
set_connection(const Ref<StreamPeer> & p_connection)69 void HTTPClient::set_connection(const Ref<StreamPeer> &p_connection) {
70
71 close();
72 connection = p_connection;
73 status = STATUS_CONNECTED;
74 }
75
get_connection() const76 Ref<StreamPeer> HTTPClient::get_connection() const {
77
78 return connection;
79 }
80
request_raw(Method p_method,const String & p_url,const Vector<String> & p_headers,const DVector<uint8_t> & p_body)81 Error HTTPClient::request_raw(Method p_method, const String &p_url, const Vector<String> &p_headers, const DVector<uint8_t> &p_body) {
82
83 ERR_FAIL_INDEX_V(p_method, METHOD_MAX, ERR_INVALID_PARAMETER);
84 ERR_FAIL_COND_V(status != STATUS_CONNECTED, ERR_INVALID_PARAMETER);
85 ERR_FAIL_COND_V(connection.is_null(), ERR_INVALID_DATA);
86
87 static const char *_methods[METHOD_MAX] = {
88 "GET",
89 "HEAD",
90 "POST",
91 "PUT",
92 "DELETE",
93 "OPTIONS",
94 "TRACE",
95 "CONNECT"
96 };
97
98 String request = String(_methods[p_method]) + " " + p_url + " HTTP/1.1\r\n";
99 if ((ssl && conn_port == 443) || (!ssl && conn_port == 80)) {
100 // don't append the standard ports
101 request += "Host: " + conn_host + "\r\n";
102 } else {
103 request += "Host: " + conn_host + ":" + itos(conn_port) + "\r\n";
104 }
105 bool add_clen = p_body.size() > 0;
106 for (int i = 0; i < p_headers.size(); i++) {
107 request += p_headers[i] + "\r\n";
108 if (add_clen && p_headers[i].find("Content-Length:") == 0) {
109 add_clen = false;
110 }
111 }
112 if (add_clen) {
113 request += "Content-Length: " + itos(p_body.size()) + "\r\n";
114 //should it add utf8 encoding? not sure
115 }
116 request += "\r\n";
117 CharString cs = request.utf8();
118
119 DVector<uint8_t> data;
120
121 //Maybe this goes faster somehow?
122 for (int i = 0; i < cs.length(); i++) {
123 data.append(cs[i]);
124 }
125 data.append_array(p_body);
126
127 DVector<uint8_t>::Read r = data.read();
128 Error err = connection->put_data(&r[0], data.size());
129
130 if (err) {
131 close();
132 status = STATUS_CONNECTION_ERROR;
133 return err;
134 }
135
136 status = STATUS_REQUESTING;
137
138 return OK;
139 }
140
request(Method p_method,const String & p_url,const Vector<String> & p_headers,const String & p_body)141 Error HTTPClient::request(Method p_method, const String &p_url, const Vector<String> &p_headers, const String &p_body) {
142
143 ERR_FAIL_INDEX_V(p_method, METHOD_MAX, ERR_INVALID_PARAMETER);
144 ERR_FAIL_COND_V(status != STATUS_CONNECTED, ERR_INVALID_PARAMETER);
145 ERR_FAIL_COND_V(connection.is_null(), ERR_INVALID_DATA);
146
147 static const char *_methods[METHOD_MAX] = {
148 "GET",
149 "HEAD",
150 "POST",
151 "PUT",
152 "DELETE",
153 "OPTIONS",
154 "TRACE",
155 "CONNECT"
156 };
157
158 String request = String(_methods[p_method]) + " " + p_url + " HTTP/1.1\r\n";
159 if ((ssl && conn_port == 443) || (!ssl && conn_port == 80)) {
160 // don't append the standard ports
161 request += "Host: " + conn_host + "\r\n";
162 } else {
163 request += "Host: " + conn_host + ":" + itos(conn_port) + "\r\n";
164 }
165 bool add_clen = p_body.length() > 0;
166 for (int i = 0; i < p_headers.size(); i++) {
167 request += p_headers[i] + "\r\n";
168 if (add_clen && p_headers[i].find("Content-Length:") == 0) {
169 add_clen = false;
170 }
171 }
172 if (add_clen) {
173 request += "Content-Length: " + itos(p_body.utf8().length()) + "\r\n";
174 //should it add utf8 encoding? not sure
175 }
176 request += "\r\n";
177 request += p_body;
178
179 CharString cs = request.utf8();
180 Error err = connection->put_data((const uint8_t *)cs.ptr(), cs.length());
181 if (err) {
182 close();
183 status = STATUS_CONNECTION_ERROR;
184 return err;
185 }
186
187 status = STATUS_REQUESTING;
188
189 return OK;
190 }
191
send_body_text(const String & p_body)192 Error HTTPClient::send_body_text(const String &p_body) {
193
194 return OK;
195 }
196
send_body_data(const ByteArray & p_body)197 Error HTTPClient::send_body_data(const ByteArray &p_body) {
198
199 return OK;
200 }
201
has_response() const202 bool HTTPClient::has_response() const {
203
204 return response_headers.size() != 0;
205 }
206
is_response_chunked() const207 bool HTTPClient::is_response_chunked() const {
208
209 return chunked;
210 }
211
get_response_code() const212 int HTTPClient::get_response_code() const {
213
214 return response_num;
215 }
216
get_response_headers(List<String> * r_response)217 Error HTTPClient::get_response_headers(List<String> *r_response) {
218
219 if (!response_headers.size())
220 return ERR_INVALID_PARAMETER;
221
222 for (int i = 0; i < response_headers.size(); i++) {
223
224 r_response->push_back(response_headers[i]);
225 }
226
227 response_headers.clear();
228
229 return OK;
230 }
231
close()232 void HTTPClient::close() {
233
234 if (tcp_connection->get_status() != StreamPeerTCP::STATUS_NONE)
235 tcp_connection->disconnect();
236
237 connection.unref();
238 status = STATUS_DISCONNECTED;
239 if (resolving != IP::RESOLVER_INVALID_ID) {
240
241 IP::get_singleton()->erase_resolve_item(resolving);
242 resolving = IP::RESOLVER_INVALID_ID;
243 }
244
245 response_headers.clear();
246 response_str.clear();
247 body_size = 0;
248 body_left = 0;
249 chunk_left = 0;
250 response_num = 0;
251 }
252
poll()253 Error HTTPClient::poll() {
254
255 switch (status) {
256
257 case STATUS_RESOLVING: {
258 ERR_FAIL_COND_V(resolving == IP::RESOLVER_INVALID_ID, ERR_BUG);
259
260 IP::ResolverStatus rstatus = IP::get_singleton()->get_resolve_item_status(resolving);
261 switch (rstatus) {
262 case IP::RESOLVER_STATUS_WAITING:
263 return OK; //still resolving
264
265 case IP::RESOLVER_STATUS_DONE: {
266
267 IP_Address host = IP::get_singleton()->get_resolve_item_address(resolving);
268 Error err = tcp_connection->connect(host, conn_port);
269 IP::get_singleton()->erase_resolve_item(resolving);
270 resolving = IP::RESOLVER_INVALID_ID;
271 if (err) {
272 status = STATUS_CANT_CONNECT;
273 return err;
274 }
275
276 status = STATUS_CONNECTING;
277 } break;
278 case IP::RESOLVER_STATUS_NONE:
279 case IP::RESOLVER_STATUS_ERROR: {
280
281 IP::get_singleton()->erase_resolve_item(resolving);
282 resolving = IP::RESOLVER_INVALID_ID;
283 close();
284 status = STATUS_CANT_RESOLVE;
285 return ERR_CANT_RESOLVE;
286 } break;
287 }
288 } break;
289 case STATUS_CONNECTING: {
290
291 StreamPeerTCP::Status s = tcp_connection->get_status();
292 switch (s) {
293
294 case StreamPeerTCP::STATUS_CONNECTING: {
295 return OK; //do none
296 } break;
297 case StreamPeerTCP::STATUS_CONNECTED: {
298 if (ssl) {
299 Ref<StreamPeerSSL> ssl = StreamPeerSSL::create();
300 Error err = ssl->connect(tcp_connection, true, ssl_verify_host ? conn_host : String());
301 if (err != OK) {
302 close();
303 status = STATUS_SSL_HANDSHAKE_ERROR;
304 return ERR_CANT_CONNECT;
305 }
306 //print_line("SSL! TURNED ON!");
307 connection = ssl;
308 }
309 status = STATUS_CONNECTED;
310 return OK;
311 } break;
312 case StreamPeerTCP::STATUS_ERROR:
313 case StreamPeerTCP::STATUS_NONE: {
314
315 close();
316 status = STATUS_CANT_CONNECT;
317 return ERR_CANT_CONNECT;
318 } break;
319 }
320 } break;
321 case STATUS_CONNECTED: {
322 //request something please
323 return OK;
324 } break;
325 case STATUS_REQUESTING: {
326
327 while (true) {
328 uint8_t byte;
329 int rec = 0;
330 Error err = _get_http_data(&byte, 1, rec);
331 if (err != OK) {
332 close();
333 status = STATUS_CONNECTION_ERROR;
334 return ERR_CONNECTION_ERROR;
335 }
336
337 if (rec == 0)
338 return OK; //keep trying!
339
340 response_str.push_back(byte);
341 int rs = response_str.size();
342 if (
343 (rs >= 2 && response_str[rs - 2] == '\n' && response_str[rs - 1] == '\n') ||
344 (rs >= 4 && response_str[rs - 4] == '\r' && response_str[rs - 3] == '\n' && rs >= 4 && response_str[rs - 2] == '\r' && response_str[rs - 1] == '\n')) {
345
346 //end of response, parse.
347 response_str.push_back(0);
348 String response;
349 response.parse_utf8((const char *)response_str.ptr());
350 //print_line("END OF RESPONSE? :\n"+response+"\n------");
351 Vector<String> responses = response.split("\n");
352 body_size = 0;
353 chunked = false;
354 body_left = 0;
355 chunk_left = 0;
356 response_str.clear();
357 response_headers.clear();
358 response_num = RESPONSE_OK;
359
360 for (int i = 0; i < responses.size(); i++) {
361
362 String header = responses[i].strip_edges();
363 String s = header.to_lower();
364 if (s.length() == 0)
365 continue;
366 if (s.begins_with("content-length:")) {
367 body_size = s.substr(s.find(":") + 1, s.length()).strip_edges().to_int();
368 body_left = body_size;
369 }
370
371 if (s.begins_with("transfer-encoding:")) {
372 String encoding = header.substr(header.find(":") + 1, header.length()).strip_edges();
373 //print_line("TRANSFER ENCODING: "+encoding);
374 if (encoding == "chunked") {
375 chunked = true;
376 }
377 }
378
379 if (i == 0 && responses[i].begins_with("HTTP")) {
380
381 String num = responses[i].get_slicec(' ', 1);
382 response_num = num.to_int();
383 } else {
384
385 response_headers.push_back(header);
386 }
387 }
388
389 if (body_size == 0 && !chunked) {
390
391 status = STATUS_CONNECTED; //ask for something again?
392 } else {
393 status = STATUS_BODY;
394 }
395 return OK;
396 }
397 }
398 //wait for response
399 return OK;
400 } break;
401 case STATUS_DISCONNECTED: {
402 return ERR_UNCONFIGURED;
403 } break;
404 case STATUS_CONNECTION_ERROR: {
405 return ERR_CONNECTION_ERROR;
406 } break;
407 case STATUS_CANT_CONNECT: {
408 return ERR_CANT_CONNECT;
409 } break;
410 case STATUS_CANT_RESOLVE: {
411 return ERR_CANT_RESOLVE;
412 } break;
413 }
414
415 return OK;
416 }
417
_get_response_headers_as_dictionary()418 Dictionary HTTPClient::_get_response_headers_as_dictionary() {
419
420 List<String> rh;
421 get_response_headers(&rh);
422 Dictionary ret;
423 for (const List<String>::Element *E = rh.front(); E; E = E->next()) {
424 String s = E->get();
425 int sp = s.find(":");
426 if (sp == -1)
427 continue;
428 String key = s.substr(0, sp).strip_edges();
429 String value = s.substr(sp + 1, s.length()).strip_edges();
430 ret[key] = value;
431 }
432
433 return ret;
434 }
435
_get_response_headers()436 StringArray HTTPClient::_get_response_headers() {
437
438 List<String> rh;
439 get_response_headers(&rh);
440 StringArray ret;
441 ret.resize(rh.size());
442 int idx = 0;
443 for (const List<String>::Element *E = rh.front(); E; E = E->next()) {
444 ret.set(idx++, E->get());
445 }
446
447 return ret;
448 }
449
get_response_body_length() const450 int HTTPClient::get_response_body_length() const {
451
452 return body_size;
453 }
454
read_response_body_chunk()455 ByteArray HTTPClient::read_response_body_chunk() {
456
457 ERR_FAIL_COND_V(status != STATUS_BODY, ByteArray());
458
459 Error err = OK;
460
461 if (chunked) {
462
463 while (true) {
464
465 if (chunk_left == 0) {
466 //reading len
467 uint8_t b;
468 int rec = 0;
469 err = _get_http_data(&b, 1, rec);
470
471 if (rec == 0)
472 break;
473
474 chunk.push_back(b);
475
476 if (chunk.size() > 32) {
477 ERR_PRINT("HTTP Invalid chunk hex len");
478 status = STATUS_CONNECTION_ERROR;
479 return ByteArray();
480 }
481
482 if (chunk.size() > 2 && chunk[chunk.size() - 2] == '\r' && chunk[chunk.size() - 1] == '\n') {
483
484 int len = 0;
485 for (int i = 0; i < chunk.size() - 2; i++) {
486 char c = chunk[i];
487 int v = 0;
488 if (c >= '0' && c <= '9')
489 v = c - '0';
490 else if (c >= 'a' && c <= 'f')
491 v = c - 'a' + 10;
492 else if (c >= 'A' && c <= 'F')
493 v = c - 'A' + 10;
494 else {
495 ERR_PRINT("HTTP Chunk len not in hex!!");
496 status = STATUS_CONNECTION_ERROR;
497 return ByteArray();
498 }
499 len <<= 4;
500 len |= v;
501 if (len > (1 << 24)) {
502 ERR_PRINT("HTTP Chunk too big!! >16mb");
503 status = STATUS_CONNECTION_ERROR;
504 return ByteArray();
505 }
506 }
507
508 if (len == 0) {
509 //end!
510 status = STATUS_CONNECTED;
511 chunk.clear();
512 return ByteArray();
513 }
514
515 chunk_left = len + 2;
516 chunk.resize(chunk_left);
517 }
518 } else {
519
520 int rec = 0;
521 err = _get_http_data(&chunk[chunk.size() - chunk_left], chunk_left, rec);
522 if (rec == 0) {
523 break;
524 }
525 chunk_left -= rec;
526
527 if (chunk_left == 0) {
528
529 if (chunk[chunk.size() - 2] != '\r' || chunk[chunk.size() - 1] != '\n') {
530 ERR_PRINT("HTTP Invalid chunk terminator (not \\r\\n)");
531 status = STATUS_CONNECTION_ERROR;
532 return ByteArray();
533 }
534
535 ByteArray ret;
536 ret.resize(chunk.size() - 2);
537 {
538 ByteArray::Write w = ret.write();
539 copymem(w.ptr(), chunk.ptr(), chunk.size() - 2);
540 }
541 chunk.clear();
542
543 return ret;
544 }
545
546 break;
547 }
548 }
549
550 } else {
551
552 int to_read = MIN(body_left, read_chunk_size);
553 ByteArray ret;
554 ret.resize(to_read);
555 int _offset = 0;
556 while (to_read > 0) {
557 int rec = 0;
558 {
559 ByteArray::Write w = ret.write();
560 err = _get_http_data(w.ptr() + _offset, to_read, rec);
561 }
562 if (rec > 0) {
563 body_left -= rec;
564 to_read -= rec;
565 _offset += rec;
566 } else {
567 if (to_read > 0) //ended up reading less
568 ret.resize(_offset);
569 break;
570 }
571 }
572 if (body_left == 0) {
573 status = STATUS_CONNECTED;
574 }
575 return ret;
576 }
577
578 if (err != OK) {
579 close();
580 if (err == ERR_FILE_EOF) {
581
582 status = STATUS_DISCONNECTED; //server disconnected
583 } else {
584
585 status = STATUS_CONNECTION_ERROR;
586 }
587 } else if (body_left == 0 && !chunked) {
588
589 status = STATUS_CONNECTED;
590 }
591
592 return ByteArray();
593 }
594
get_status() const595 HTTPClient::Status HTTPClient::get_status() const {
596
597 return status;
598 }
599
set_blocking_mode(bool p_enable)600 void HTTPClient::set_blocking_mode(bool p_enable) {
601
602 blocking = p_enable;
603 }
604
is_blocking_mode_enabled() const605 bool HTTPClient::is_blocking_mode_enabled() const {
606
607 return blocking;
608 }
609
_get_http_data(uint8_t * p_buffer,int p_bytes,int & r_received)610 Error HTTPClient::_get_http_data(uint8_t *p_buffer, int p_bytes, int &r_received) {
611
612 if (blocking) {
613
614 Error err = connection->get_data(p_buffer, p_bytes);
615 if (err == OK)
616 r_received = p_bytes;
617 else
618 r_received = 0;
619 return err;
620 } else {
621 return connection->get_partial_data(p_buffer, p_bytes, r_received);
622 }
623 }
624
_bind_methods()625 void HTTPClient::_bind_methods() {
626
627 ObjectTypeDB::bind_method(_MD("connect:Error", "host", "port", "use_ssl", "verify_host"), &HTTPClient::connect, DEFVAL(false), DEFVAL(true));
628 ObjectTypeDB::bind_method(_MD("set_connection", "connection:StreamPeer"), &HTTPClient::set_connection);
629 ObjectTypeDB::bind_method(_MD("get_connection:StreamPeer"), &HTTPClient::get_connection);
630 ObjectTypeDB::bind_method(_MD("request_raw", "method", "url", "headers", "body"), &HTTPClient::request_raw);
631 ObjectTypeDB::bind_method(_MD("request", "method", "url", "headers", "body"), &HTTPClient::request, DEFVAL(String()));
632 ObjectTypeDB::bind_method(_MD("send_body_text", "body"), &HTTPClient::send_body_text);
633 ObjectTypeDB::bind_method(_MD("send_body_data", "body"), &HTTPClient::send_body_data);
634 ObjectTypeDB::bind_method(_MD("close"), &HTTPClient::close);
635
636 ObjectTypeDB::bind_method(_MD("has_response"), &HTTPClient::has_response);
637 ObjectTypeDB::bind_method(_MD("is_response_chunked"), &HTTPClient::is_response_chunked);
638 ObjectTypeDB::bind_method(_MD("get_response_code"), &HTTPClient::get_response_code);
639 ObjectTypeDB::bind_method(_MD("get_response_headers"), &HTTPClient::_get_response_headers);
640 ObjectTypeDB::bind_method(_MD("get_response_headers_as_dictionary"), &HTTPClient::_get_response_headers_as_dictionary);
641 ObjectTypeDB::bind_method(_MD("get_response_body_length"), &HTTPClient::get_response_body_length);
642 ObjectTypeDB::bind_method(_MD("read_response_body_chunk"), &HTTPClient::read_response_body_chunk);
643 ObjectTypeDB::bind_method(_MD("set_read_chunk_size", "bytes"), &HTTPClient::set_read_chunk_size);
644
645 ObjectTypeDB::bind_method(_MD("set_blocking_mode", "enabled"), &HTTPClient::set_blocking_mode);
646 ObjectTypeDB::bind_method(_MD("is_blocking_mode_enabled"), &HTTPClient::is_blocking_mode_enabled);
647
648 ObjectTypeDB::bind_method(_MD("get_status"), &HTTPClient::get_status);
649 ObjectTypeDB::bind_method(_MD("poll:Error"), &HTTPClient::poll);
650
651 ObjectTypeDB::bind_method(_MD("query_string_from_dict:String", "fields"), &HTTPClient::query_string_from_dict);
652
653 BIND_CONSTANT(METHOD_GET);
654 BIND_CONSTANT(METHOD_HEAD);
655 BIND_CONSTANT(METHOD_POST);
656 BIND_CONSTANT(METHOD_PUT);
657 BIND_CONSTANT(METHOD_DELETE);
658 BIND_CONSTANT(METHOD_OPTIONS);
659 BIND_CONSTANT(METHOD_TRACE);
660 BIND_CONSTANT(METHOD_CONNECT);
661 BIND_CONSTANT(METHOD_MAX);
662
663 BIND_CONSTANT(STATUS_DISCONNECTED);
664 BIND_CONSTANT(STATUS_RESOLVING); //resolving hostname (if passed a hostname)
665 BIND_CONSTANT(STATUS_CANT_RESOLVE);
666 BIND_CONSTANT(STATUS_CONNECTING); //connecting to ip
667 BIND_CONSTANT(STATUS_CANT_CONNECT);
668 BIND_CONSTANT(STATUS_CONNECTED); //connected ); requests only accepted here
669 BIND_CONSTANT(STATUS_REQUESTING); // request in progress
670 BIND_CONSTANT(STATUS_BODY); // request resulted in body ); which must be read
671 BIND_CONSTANT(STATUS_CONNECTION_ERROR);
672 BIND_CONSTANT(STATUS_SSL_HANDSHAKE_ERROR);
673
674 BIND_CONSTANT(RESPONSE_CONTINUE);
675 BIND_CONSTANT(RESPONSE_SWITCHING_PROTOCOLS);
676 BIND_CONSTANT(RESPONSE_PROCESSING);
677
678 // 2xx successful
679 BIND_CONSTANT(RESPONSE_OK);
680 BIND_CONSTANT(RESPONSE_CREATED);
681 BIND_CONSTANT(RESPONSE_ACCEPTED);
682 BIND_CONSTANT(RESPONSE_NON_AUTHORITATIVE_INFORMATION);
683 BIND_CONSTANT(RESPONSE_NO_CONTENT);
684 BIND_CONSTANT(RESPONSE_RESET_CONTENT);
685 BIND_CONSTANT(RESPONSE_PARTIAL_CONTENT);
686 BIND_CONSTANT(RESPONSE_MULTI_STATUS);
687 BIND_CONSTANT(RESPONSE_IM_USED);
688
689 // 3xx redirection
690 BIND_CONSTANT(RESPONSE_MULTIPLE_CHOICES);
691 BIND_CONSTANT(RESPONSE_MOVED_PERMANENTLY);
692 BIND_CONSTANT(RESPONSE_FOUND);
693 BIND_CONSTANT(RESPONSE_SEE_OTHER);
694 BIND_CONSTANT(RESPONSE_NOT_MODIFIED);
695 BIND_CONSTANT(RESPONSE_USE_PROXY);
696 BIND_CONSTANT(RESPONSE_TEMPORARY_REDIRECT);
697
698 // 4xx client error
699 BIND_CONSTANT(RESPONSE_BAD_REQUEST);
700 BIND_CONSTANT(RESPONSE_UNAUTHORIZED);
701 BIND_CONSTANT(RESPONSE_PAYMENT_REQUIRED);
702 BIND_CONSTANT(RESPONSE_FORBIDDEN);
703 BIND_CONSTANT(RESPONSE_NOT_FOUND);
704 BIND_CONSTANT(RESPONSE_METHOD_NOT_ALLOWED);
705 BIND_CONSTANT(RESPONSE_NOT_ACCEPTABLE);
706 BIND_CONSTANT(RESPONSE_PROXY_AUTHENTICATION_REQUIRED);
707 BIND_CONSTANT(RESPONSE_REQUEST_TIMEOUT);
708 BIND_CONSTANT(RESPONSE_CONFLICT);
709 BIND_CONSTANT(RESPONSE_GONE);
710 BIND_CONSTANT(RESPONSE_LENGTH_REQUIRED);
711 BIND_CONSTANT(RESPONSE_PRECONDITION_FAILED);
712 BIND_CONSTANT(RESPONSE_REQUEST_ENTITY_TOO_LARGE);
713 BIND_CONSTANT(RESPONSE_REQUEST_URI_TOO_LONG);
714 BIND_CONSTANT(RESPONSE_UNSUPPORTED_MEDIA_TYPE);
715 BIND_CONSTANT(RESPONSE_REQUESTED_RANGE_NOT_SATISFIABLE);
716 BIND_CONSTANT(RESPONSE_EXPECTATION_FAILED);
717 BIND_CONSTANT(RESPONSE_UNPROCESSABLE_ENTITY);
718 BIND_CONSTANT(RESPONSE_LOCKED);
719 BIND_CONSTANT(RESPONSE_FAILED_DEPENDENCY);
720 BIND_CONSTANT(RESPONSE_UPGRADE_REQUIRED);
721
722 // 5xx server error
723 BIND_CONSTANT(RESPONSE_INTERNAL_SERVER_ERROR);
724 BIND_CONSTANT(RESPONSE_NOT_IMPLEMENTED);
725 BIND_CONSTANT(RESPONSE_BAD_GATEWAY);
726 BIND_CONSTANT(RESPONSE_SERVICE_UNAVAILABLE);
727 BIND_CONSTANT(RESPONSE_GATEWAY_TIMEOUT);
728 BIND_CONSTANT(RESPONSE_HTTP_VERSION_NOT_SUPPORTED);
729 BIND_CONSTANT(RESPONSE_INSUFFICIENT_STORAGE);
730 BIND_CONSTANT(RESPONSE_NOT_EXTENDED);
731 }
732
set_read_chunk_size(int p_size)733 void HTTPClient::set_read_chunk_size(int p_size) {
734 ERR_FAIL_COND(p_size < 256 || p_size > (1 << 24));
735 read_chunk_size = p_size;
736 }
737
query_string_from_dict(const Dictionary & p_dict)738 String HTTPClient::query_string_from_dict(const Dictionary &p_dict) {
739 String query = "";
740 Array keys = p_dict.keys();
741 for (int i = 0; i < keys.size(); ++i) {
742 query += "&" + String(keys[i]).http_escape() + "=" + String(p_dict[keys[i]]).http_escape();
743 }
744 query.erase(0, 1);
745 return query;
746 }
747
HTTPClient()748 HTTPClient::HTTPClient() {
749
750 tcp_connection = StreamPeerTCP::create_ref();
751 resolving = IP::RESOLVER_INVALID_ID;
752 status = STATUS_DISCONNECTED;
753 conn_port = 80;
754 body_size = 0;
755 chunked = false;
756 body_left = 0;
757 chunk_left = 0;
758 response_num = 0;
759 ssl = false;
760 blocking = false;
761 read_chunk_size = 4096;
762 }
763
~HTTPClient()764 HTTPClient::~HTTPClient() {
765 }
766